Create invitation to ProCall Meetings – disable automatic Microsoft Teams appointment

The following instructions are tips and tricks. 
Since the described functions are not products or services provided by estos, there is no claim to the availability and correct description of the functionality.

ProCall meetings and integration with Microsoft Teams

Settings for appointments in online meetings

When using Microsoft Teams, creating a new meeting appointment in the calendar automatically creates a Microsoft Teams invitation and attaches it to the appointment, if necessary.
This also applies to invitations that you want to send for a meeting via ProCall Meetings, among other things..  

To prevent invitations to ProCall meetings from also containing an invitation to a Microsoft Teams meeting, you can edit each of these manually.

However, there is also a global way to set/unset this behavior for calendar invitations here by changing the calendar, meetings and time zone settings:

Microsoft Outlook calendar, meeting and time zone settings – File – Calendar options

The setting options can be found, for example, in Microsoft Outlook under File – Outlook options – Calendar – Calendar options.

Remove the checkmark from "Add online meeting to all meetings".

Example screenshot: Microsoft Outlook options – File – Calendar – Calendar options – Uncheck "Add online meeting to all meetings".